from the December 2007 issue

Israeli systems detect explosives, anthrax

New technologies developed in Jerusalem and Hebron are keeping Israel and the world safe from conventional and biological terror attacks. Hebrew University scientists in Jerusalem have found a simple way to detect whether someone has handled explosives recently. A forensic chemist from the university developed a chemical spray that is able to detect recent contact with urea nitrate - the easily attainable chemical used in most bombs produced in the Palestinian Authority.

The chemical test reacts with even the smallest amounts of urea nitrate, turning the surface bright red. A swab sample can be taken from surfaces touched by a suspect or the hands of the person in question.

Professor Joseph Almog, the spray's developer, said that the method could be "cheaply and easily incorporated into security screenings by law enforcement agencies, the military, and at certain air and sea check-points."

Reprinted from the Israel High-Tech & Investment Report December 2007

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